我如何使用 Angular JS 将 if else 放入 cshtml 中?
How can i put an if else inside cshtml using Angular JS?
我有一个充满水果的清单。
<select ng-options=" (s.fruit != null ? ', ' + s.fruit : '') for s in fruitList"></select>
s.fruit 是 'A'(Apple)、'O'(橙色)、'B'(香蕉)
例如,下拉列表中的输出将是 id + A。
所以会得到:
1, A
2, O
3, O
4, B
5, A
我要输出:
1, Apple
2, Orange
3, Orange
4, Banana
5, Apple
我可以做类似的事情吗
<select ng-options=" (s.fruit != null ? ', ' + GetfruitName(s.fruit) : '') for s in fruitList">
</select>
并在控制器中定义函数 ?
是的,你可以像演示一样在控制器中定义一个函数:
代码:
<div ng-app="myApp" ng-controller="myCtrl">
<select ng-options="(s.fruit != null ? s.id+', ' + GetfruitName(s.fruit) : '') for s in fruitList" ng-model=""></select>
</div>
@section scripts{
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script>
<script>
var app = angular.module('myApp', []);
app.controller('myCtrl', function ($scope) {
$scope.fruitList = [
{
id: "1",
fruit: "A"
},
{
id: "2",
fruit: "O"
},
{
id: "3",
fruit: "O"
},
{
id: "4",
fruit: "B"
},
{
id: "5",
fruit: "A"
}
];
$scope.GetfruitName = function (fruit) {
switch (fruit) {
case "A":
return "Apple";
case "B":
return "Banana";
case "O":
return "Orange";
default: return fruit;
};
}
});
</script>
}
结果:
我有一个充满水果的清单。
<select ng-options=" (s.fruit != null ? ', ' + s.fruit : '') for s in fruitList"></select>
s.fruit 是 'A'(Apple)、'O'(橙色)、'B'(香蕉)
例如,下拉列表中的输出将是 id + A。 所以会得到:
1, A
2, O
3, O
4, B
5, A
我要输出:
1, Apple
2, Orange
3, Orange
4, Banana
5, Apple
我可以做类似的事情吗
<select ng-options=" (s.fruit != null ? ', ' + GetfruitName(s.fruit) : '') for s in fruitList">
</select>
并在控制器中定义函数 ?
是的,你可以像演示一样在控制器中定义一个函数:
代码:
<div ng-app="myApp" ng-controller="myCtrl">
<select ng-options="(s.fruit != null ? s.id+', ' + GetfruitName(s.fruit) : '') for s in fruitList" ng-model=""></select>
</div>
@section scripts{
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script>
<script>
var app = angular.module('myApp', []);
app.controller('myCtrl', function ($scope) {
$scope.fruitList = [
{
id: "1",
fruit: "A"
},
{
id: "2",
fruit: "O"
},
{
id: "3",
fruit: "O"
},
{
id: "4",
fruit: "B"
},
{
id: "5",
fruit: "A"
}
];
$scope.GetfruitName = function (fruit) {
switch (fruit) {
case "A":
return "Apple";
case "B":
return "Banana";
case "O":
return "Orange";
default: return fruit;
};
}
});
</script>
}
结果: